diff --git a/yarn.lock b/yarn.lock
index 0e94fe7..25fd2cc 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -893,9 +893,9 @@
     "@types/responselike" "^1.0.0"
 
 "@types/chai@*", "@types/chai@^4":
-  version "4.3.6"
-  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.3.6.tgz#7b489e8baf393d5dd1266fb203ddd4ea941259e6"
-  integrity sha512-VOVRLM1mBxIRxydiViqPcKn6MIxZytrbMpd6RJLIWKxUNr3zux8no0Oc7kJx0WAPIitgZ0gkrDS+btlqQpubpw==
+  version "4.3.9"
+  resolved "https://registry.yarnpkg.com/@types/chai/-/chai-4.3.9.tgz#144d762491967db8c6dea38e03d2206c2623feec"
+  integrity sha512-69TtiDzu0bcmKQv3yg1Zx409/Kd7r0b5F1PfpYJfSHzLGtB53547V4u+9iqKYsTu/O2ai6KTb0TInNpvuQ3qmg==
 
 "@types/cli-progress@^3.11.0":
   version "3.11.0"